Principles of human physiologyJ. Churchill, 1855 - 1140 pages |
Contents
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Common terms and phrases
action activity albuminous alimentary alimentary canal amount animals appears arteries bile blood blood-vessels body canal capillaries carbonic acid cavity cells centres Cerebellum Cerebrum character chyle circulation coagulation condition connected consciousness constitute contraction degree digestive direct disease effect entirely evidence excited excretion exertion exhaled existence experiments external fact fæces fibres fibrin fluid functions ganglia ganglionic gastric gastric juice glands hepatic hepatic vein idea impressions increase inflammation influence intestinal intestinal canal irritation Kölliker lacteals liver lungs matter Medulla Oblongata membrane mind motor movements mucous muscles muscular nerves Nervous System nutrition observed operation ordinary organs oxygen peculiar pepsin performed Physiology portion posterior produced Prof proportion quantity red corpuscles reflex reflex action regard remarkable respiration respiratory secretion seems sensation sensory solid Spinal Cord stomach substance supply surface takes place temperature tion tissues trunk tube urea urine veins venous vessels vital whilst
Popular passages
Page 633 - God ; and iu proportion as this assimilation has been effected, does it manifest itself in the life and conduct ; so that even the lowliest actions become holy ministrations in a temple consecrated by the felt presence of the Divinity. Such was the Life of the Saviour...
Page 643 - The author continued for about three hours in a profound sleep, at least of the external senses, during which time he has the most vivid confidence, that he could not have composed less than from two to three hundred lines ; . if that indeed can be called composition in which all the images rose up before him as things, with a parallel production of the correspondent expressions, without any sensation or consciousness of effort.
Page 84 - The inner coat of the stomach, in its natural and healthy state, is of a light or pale pink colour, varying in its hues, according to its full or empty state. It is of a soft or velvet-like appearance, and is constantly covered with a very thin, transparent, viscid mucus, lining the whole interior of the organ.
Page 548 - I am what I am ; a creature of necessity ; I claim neither merit nor demerit." " I feel that I am as completely the result of my nature, and impelled to do what I do, as the needle to point to the north, or the puppet to move according as the string is pulled.
Page 608 - Most persons who attend to their own Mental operations are aware, that when they have been occupied for some time about a particular subject, and have then transferred their attention to some other, the first, when they return to the consideration of it, may be found to present an aspect very different from that which it possessed before it was put aside ; notwithstanding that the mind has since been so completely engrossed with the second subject, as not to have been consciously directed, towards...
Page 553 - It is difficult to see that the dynamical agency which we term will is more removed from nerve-force on the one hand than nerve-force is removed from motor force on the other. Each, in giving origin to the next, is itself expended or ceases to exist as such, and each bears, in its own intensity, a precise relation to that of its antecedent and its consequent.
Page 567 - If," as has been well remarked by Mr. Morell,t " we could by any means transport ourselves into the mind of an infant before the perceptive consciousness is awakened, we should find it in a state of absolute isolation from everything else in the world around it. Whatever objects may be presented to the eye, the ear, or the touch, they are treated simply as subjective feelings, without the mind's possessing any consciousness of them as objects at all. To it, the inward world is everything, the outward...
Page 89 - In forty minutes digestion had distinctly commenced over the surface of the meat. In fifty minutes the fluid had become quite opaque and cloudy ; the external texture began to separate and become loose. In sixty minutes, chyme began to form. At 1...
Page 693 - ... galvanism acts similarly. If the surface of the tongue, near the root, be touched with a clean dry glass rod, or a drop of distilled water be placed upon it, a slightly bitterish sensation is produced; and if the pressure be continued, a feeling of nausea ensues. If a small current of cold air be directed against the tongue, it excites a cool saline taste like that of saltpetre.
Page 202 - ... in other words, every part of the body, by taking from the blood the peculiar substances which it needs for its own nutrition, does thereby act as an excretory organ; inasmuch as it removes from the blood that which, if retained in it, would be injurious to the rest of the body.